Seiko Cal. 7040 - 399

The Seiko 7040-399 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-288b737ee361]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1987

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